4490731 has 8 divisors (see below), whose sum is σ = 5149440. Its totient is φ = 3836328.

The previous prime is 4490729. The next prime is 4490747. The reversal of 4490731 is 1370944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4490731 - 2¹ = 4490729 is a prime.

It is a super-2 number, since 2×4490731² = 40333329828722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4490731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4490701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1620 + ... + 3406.

It is an arithmetic number, because the mean of its divisors is an integer number (643680).

Almost surely, 2^4490731 is an apocalyptic number.

4490731 is a deficient number, since it is larger than the sum of its proper divisors (658709).

4490731 is a wasteful number, since it uses less digits than its factorization.

4490731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 4490731 is about 2119.1344931363. The cubic root of 4490731 is about 164.9829305881.

The spelling of 4490731 in words is "four million, four hundred ninety thousand, seven hundred thirty-one".